Appetency

(ap'-e-ten-se). I. See Appetence . 2. In biology, the doctrine propounded by Lamarck, in which it is maintained that new organs can be produced in animals by the simple a ertion of the will called into action by new wants, and that the organs thus acquired can be transmitted by generation. sult of a simple stretching of the wall by the pre ure of the contents. Approach (ap-roch'). A drawing near. A. Grafting, to inarch. Appropriation (ap-ro-pre-a'-shun). A imilation of nutriment. Approximal (ap-roks' '-im-al). That which is next to; contiguous. In dentistry, pertaining to contiguous surfaces, as approximal fillings. Appun's Apparatus. A device for determining the overtones of a vowel by means of reeds. Apraxia (ah-praks'-e-ah). Soul-blindne ; mind-blindne ; object-blindne ; an affection in which the memory for the uses of things is lost, as well as the understanding for the signs by which the things are expre ed. Aprication. The sun-bath; sun-stroke. Aproctia (ah-prok-te' -all). Imperforation of the anus. A proc to sis (ah-prok-to'-sis). See Aproctia. A proc to us (ah-prok' -tus). Having imperforation of the anus. Apron (a'-prtiti). I. In surgery, a protection or covering for the body in surgical operations. 2. The omentum. A., Hottentot, artificially elongated labia minor a; velamen vulvce. A. of Succor, a canvas appliance borne by two men, and used for the transportation of wounded persons.